Expandable armband device



FIG. 1 is a top isometric view of an expandable armband device showing our new design in a contracted state.

FIG. 2 is a bottom isometric view thereof.

FIG. 3 is a top plan view thereof.

FIG. 4 is a bottom plan view thereof.

FIG. 5 is a front elevational view thereof.

FIG. 6 is a rear elevational view thereof.

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a left side elevational view thereof.

Stippling and contour lines shown in the drawings are intended to represent the approximate three-dimensional contour of the design, and are not intended to indicate surface decoration. The broken lines in the figures illustrate portions of the expandable armband device that form no part of the claimed design. 

CLAIM The ornamental design for an expandable armband device, as shown and described. 